In reviewing a patient’s complete blood count (CBC) results, the nurse notes a "shift to the left." What is the significance of these results?
There is an elevated number of immature thrombocytes.
There is an elevated number of immature neutrophils (bands),
There is an elevated number of mature neutrophils (segs)
There is an elevated number of mature erythrocytes
The Correct Answer is B
A. There is an elevated number of immature thrombocytes - Thrombocytes are platelets, and a shift to the left does not refer to these.
B. There is an elevated number of immature neutrophils (bands) - A "shift to the left" typically refers to an increase in immature neutrophils, also known as bands, in the blood. This often indicates an acute infection or inflammation as the body is producing and releasing more neutrophils to fight an infection.
C. There is an elevated number of mature neutrophils (segs) - An elevated number of mature neutrophils (segmented neutrophils) does not indicate a shift to the left. The term specifically refers to immature forms.
D. There is an elevated number of mature erythrocytes - Mature erythrocytes are red blood cells, and a shift to the left does not pertain to red blood cell counts or maturity.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The first 2 min - This is too short a period to monitor effectively for transfusion reactions.
B. The final 2 min - Transfusion reactions are more likely to occur at the beginning of the transfusion rather than at the end.
C. The final 15 min - While it’s still important to monitor, reactions are most likely to be detected earlier in the infusion.
D. The first 15 min - Transfusion reactions typically occur within the first 15 minutes of starting the blood transfusion. The nurse should remain with the patient during this critical period to monitor for any signs of a reaction, such as fever, chills, rash, or difficulty breathing.
Correct Answer is ["A","C"]
Explanation
A. Hypotension: Hypotension is a common sign of hemorrhage. It occurs due to significant blood loss leading to decreased circulating blood volume and reduced cardiac output, which in turn lowers blood pressure. In the context of postoperative care, hypotension is a critical sign that may indicate internal bleeding.
B. Diaphoresis: Diaphoresis (excessive sweating) can be an autonomic response to acute blood loss and shock. The body tries to compensate for reduced blood volume and pressure by activating the sympathetic nervous system, which results in sweating as part of the body's effort to maintain perfusion to vital organs.
C. Tachypnea: Tachypnea (rapid breathing) is a compensatory mechanism in response to decreased oxygen delivery due to blood loss. The body increases respiratory rate to improve oxygen uptake and delivery to tissues, which is vital when there is reduced blood volume from hemorrhage.
D. Bradycardia: Bradycardia (slow heart rate) is not typically associated with hemorrhage. Instead, hemorrhage usually causes tachycardia (rapid heart rate) as the body attempts to maintain cardiac output and compensate for the loss of blood volume. Bradycardia could indicate other issues such as increased intracranial pressure or a vagal response but is not a common sign of acute hemorrhage.
E. Diarrhea: Diarrhea is not a sign of hemorrhage. It is more commonly associated with gastrointestinal issues such as infections, inflammatory bowel diseases, or reactions to medications. Hemorrhage typically affects cardiovascular parameters rather than causing gastrointestinal symptoms like diarrhea.
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